Iolite 2mm Cube Table Cut AA Grade - 15-16 Inch Ruby This variety of opal is

This variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns

” meaning “a stream of lava

It is a member of the Quartz family

Ancient Cellar Black Agate is a natural agate that is dyed and heated to give it the unique color and pattern we call Ancient Cellar

Iolite 2mm Cube Table Cut AA Grade - 15-16 Inch Ruby This variety of opal isIolite most commonly occurs in shades of blue to gray, violet or indigo. It displays a visual property called pleochroism, which means that it can appear to be different colors as it shifts in the light. According to Norse legend, Viking explorers used thin pieces of Iolite as the worlds first polarizing lens to help them determine the exact location of the sun for navigation.